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Waterbased Polyisocyanates

Based on HDI, Kabasph^® PUW series PU curing agent, also called PU hardener, offers water-dispersible polyisocyanates designed for waterborne coatings in the wood, industrial, and flooring applications. Additionally, they can be used in adhesive formulations to improve mechanical performance.

Chemical Name :
Water-based Polyisocyanates
Application :
Wood & Furniture paints and coaitngs, Construction & Architectural paints and coaitngs, Floor Coatings, Electronics & Appliances and so on
Product model :
PUW-1100, PUW-1500, PUW-1500S, PUW-2000, PUW-2500, PUW-4500, PUW-4800
Appearance :
Colorless to pale yellow transparent viscous liquid
brand :
Kabasph

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product introduction

The PUW series is formulated with Zero VOCs aliphatic polyisocyanates based on hexamethylene diisocyanate (HDI), enabling excellent self-emulsifying ability when mixed with waterborne polyol binders. This two-component (2K) system delivers superior chemical resistance, thermal stability, and enhanced bonding strength across diverse substrates including metal, wood, and plastic.

Product Data:

Items	PUW-4500	PUW-1500	PUW-4800	PUW-2000	PUW-1500S	PUW-2500	PUW-1100
Type	Anionic hydrophilic	Anionic hydrophilic	Anionic hydrophilic	Anionic hydrophilic	IPDI Based	Non-ionic hydrophilic	Water & Solvent universal
Solid Content %	100	100	100	≥97.5	70±2	100	100
NCO%	20.5±0.5	21.5±0.5	21.0±0.5	18.0±0.5	10.0±0.5	18.0±0.5	23.0±0.5
Free Monomer%	HDI≤0.3	HDI≤0.3	HDI≤0.3	HDI≤0.3	IPDI≤0.2	HDI≤0.2	HDI≤0.25
Viscosity(cps)	4500±500	1500±500	4800±1000	2000±1000	1500±500	2500±1000	1100±250

Key Advantages

Easy Dispersion:Directly add to waterborne resin and mix with low-speed stirring—no high-speed dispersion equipment needed; simple operation.
Fast Drying:Cures at room temperature, fast drying speed, suitable for production lines, improves efficiency.
High Hardness:Forms a hard film with good scratch resistance and anti-blocking properties, ideal for furniture, flooring, and other wear-resistant applications.
Non-Yellowing:Based on HDI aliphatic structure, resists yellowing under outdoor exposure, suitable for automotive coatings and outdoor metal finishes.
Water and Chemical Resistance:Cured film offers good resistance to water, solvents, and stains, ideal for industrial protection and kitchen/bathroom environments.
Broad Substrate Compatibility:Can be applied to various substrates including wood, metal, plastic, and concrete.

Applications

Wood & Furniture paints and coaitngs
Construction & Architectural paints and coaitngs
Floor Coatings
Electronics & Appliances

Waterbased Polyisocyanates Application

Pacakging

10KG, 20KG, 60KG, 200KG iron drum or customized.

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